10z-9=-40

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Solution for 10z-9=-40 equation: 



10z-9=-40

We move all terms to the left:

10z-9-(-40)=0

We add all the numbers together, and all the variables

10z+31=0

We move all terms containing z to the left, all other terms to the right

10z=-31

z=-31/10

z=-3+1/10

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